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MasseGuillaume / ScalaKata

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https://github.com/MasseGuillaume/ScalaKata2
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Steps (equational reasoning) #49

Open MasseGuillaume opened 10 years ago

MasseGuillaume commented 10 years ago

Reduce applied expressions

steps {
  List(1, 2, 3, 4, 5).map(_+2).filter(_ % == 2)
}

step 1: List(1, 2, 3, 4, 5).map(_+2).filter(_ % == 2) step 2: List(3, 4, 5, 6, 7).filter(_ % 2 == 0) step 3: List(3, 5, 7)